Yes, the vaccine that will be used in South Africa is safe. It has already been given to millions of people around the world. The vaccines have been developed and tested by scientists around the world, including in South Africa. The country has some of the best doctors and nurses in the world. They will not allow us to use a vaccine that is not safe.
Although it was developed very quickly to save lives, it has gone through all the tests, including approvals from a panel of experts from the World Health Organisation.